diff --git a/ref-test/app/admin/templates/admin/results.html b/ref-test/app/admin/templates/admin/results.html
index 09fb7f2..ec616bd 100644
--- a/ref-test/app/admin/templates/admin/results.html
+++ b/ref-test/app/admin/templates/admin/results.html
@@ -54,7 +54,7 @@
                         </td>
                         <td>
                             {% if entry.end_time %}
-                                {{ entry.end_time.strftime('%d %b %Y') }}
+                                {{ entry.end_time.strftime('%Y-%m-%d %H:%M') }}
                             {% endif %}
                         </td>
                         <td>
diff --git a/ref-test/app/admin/templates/admin/settings/questions.html b/ref-test/app/admin/templates/admin/settings/questions.html
index 0dd67c8..4dafac0 100644
--- a/ref-test/app/admin/templates/admin/settings/questions.html
+++ b/ref-test/app/admin/templates/admin/settings/questions.html
@@ -43,7 +43,7 @@
                             {{ element.get_name() }}
                         </td>
                         <td>
-                            {{ element.date.strftime('%d %b %Y %H:%M') }}
+                            {{ element.date.strftime('%Y-%m-%d %H:%M') }}
                         </td>
                         <td>
                             {{ element.creator.get_username() }}
diff --git a/ref-test/app/admin/templates/admin/tests.html b/ref-test/app/admin/templates/admin/tests.html
index f8fed5c..6daa385 100644
--- a/ref-test/app/admin/templates/admin/tests.html
+++ b/ref-test/app/admin/templates/admin/tests.html
@@ -33,13 +33,13 @@
                 {% for test in tests %}
                     <tr class="table-row">
                         <td>
-                            {{ test.start_date.strftime('%d %b %y %H:%M') }}
+                            {{ test.start_date.strftime('%Y-%m-%d %H:%M') }}
                         </td>
                         <td>
                             {{ test.get_code() }}
                         </td>
                         <td>
-                            {{ test.end_date.strftime('%d %b %Y %H:%M') }}
+                            {{ test.end_date.strftime('%Y-%m-%d %H:%M') }}
                         </td>
                         <td>
                             {% if test.time_limit == None -%}